WMI Diskdrives (vb.net 2005)

Hi All,
For a project of mine I found this example of creating Windows Management Instrumentation classes in vb.net to return server information. This all works well and good however I can't get my mind around how I would be able to use a class when the WMI query will return multiple instances of objects, like disk drives.
<pre>qryStringDD = New ObjectQuery("SELECT * FROM Win32_DiskDrive")
objDD = New ManagementObjectSearcher(objScope, qryStringDD)